Projectile.



J. A. WATSON.

PROJEGTILB.

APPLICATION FILED IJEO.1G,1910.

Patentedfiept. 29, 1914.

I I E m/00mm I I g r MW proved that the. points 11- s u I a purpose are IOf such com-"111 in offer tli "119 minimum resistance to flight in 25v ju e nws'phere. 9110C: in another W" the hung pl 5 tap red conical point "0 Wlhflfi V e asmnsan phere least resistance is m simwicr sf DH)? a? If the PLOjECiflfi b svmmw 3". the Such cap :1 5 and is 110% so lizbie 't-a as is a holiew cap; 113 mmh'm'i it can 9w T0 aZZ 211 201.; may; come Be 13 known that 7:; .v I h and re; of Qolmn river-2a certain nw and n n rmiectills, 01" W ing is spe l. zzfiion. ma; gnor ple'rcmg projectiles m :lierc'ing' armor plates an .(0 secure maximum fiigLtand n efficiency mnera' cisn it has,

i0 mnstruct the j alinen'ment. The outer surfaces mtn a somwl'mt obtuse point and to s perbase 9f the proactiie poin- Eb a holiow cap or Win'i shield cap, and 511% cant-our (3111, M932 11?. to which the air 1 Lhi Handed twgefigher 13 feltn1 v 18, the cap and pm v if the general :Ltiai nlinerixent. -lm 1101119 hi: thrmzgh the a table for 3119 reason dim 5 steel cap, and cm'eiy sonnecized togei:

p]? 5511511 stain zed m "r; w regismnce, and which the? w meta. 211-61 2m; izkoly to "Gillie 0 travel 'fzmzh" ea before be 5 "ed 1 contour cap 63 an "Hay of 2.11m mm made. 01 1 tmid material (11s m5 zaiso I; g a mass 1w; y leaned n Maia? 1 supporting the point thereof, of a Wind shield seeured to the soft metal cap and ta,- perecl to reduce the resistance of the atmos' pheleto the flight of the pro'eetile, the said 5 wind shield being solid an composed of aluminum brother metal of lower specific gravity than the )lOjGClJilG and cap and sufficiently soft 01' i l-agile so that it Will not interfere with the functioning of the projectile at the moment of impact. I 10 In testimony whereof I affix my signature in. presence of two witnesses.

JAMES A. TWA'JTSON. Witnesses G. P. KRAMER, ARTHUR L. BRYANT. 

